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  1. J

    DOT-3 Vs. DOT-4

    Can anybody tell us the difference between DOT3 and DOT4 brake fluids? Can they be mixed? Thanks.
  2. J

    181FBI and 194RBI

    Hi, all. My (spanish) FSM says that the front axle is a 181FBI and the rear would be 194RBI. Is this somehow related to Dana 30 & 35? (98XJ-4.0L/4x4/AW4/NV242) Venezuelan asembly plant.
  3. J

    Will the water pump fit?

    I´ve read in the forum that the '01 water pump has better performance than the pre-00. Now, the question is: Will the '01 pump fit a '99 or earlier? ( XJ 4.0L )
  4. J

    Injectors and O-Rings

    HI, Guys. In the injector O-ring repair kit, there are two rings per injector: one brown, one black. Does the brown go toward the manifold, or is it the other way around?
  5. J

    Good source for engine computers??

    Hi, all! Does anybody know of a good source for a (possibly reman) XJ-2001 PCM ?? Thans.
  6. J

    Camshaft indexing

    Can a camshaft sensor (2001) be indexed without a scanner? How? Thanks.
  7. J

    PCM Open / Closed circuit

    Is there a failsafe way to know when my PCM (2001) is working in open or closed circuit with the O2 sensors?
  8. J

    Correct fuel pressure?

    Hi, all. Can somebody confirm what the correct fuel pressure is for a 2001XJ at the fuel rail? Some say 40PSI, others 50PSI. Who's right? Thanks.
  9. J

    O2 sensor reading

    Hi, Guys. Can anyone confirm what kind of reading I should get from a 2001 HO 4.0L upstream O2 sensor? The manuals I've found are either incomplete or misleading. One says it's a resistance reading, but I doubt it because there's no +5V input. Just the two white wires for the heater and two...
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